Mark Thomas Valley (born December 24, 1964) is an American film and television actor, best known for his roles as Brad Chase on the TV drama Boston Legal, Oliver Richard on the NBC drama Harry's Law, FBI Special Agent John Scott on Fringe, Christopher Chance in Fox's action/drama Human Target, and Tommy Sullivan in ABC's Body of Proof.

Early life

Valley was born in Ogdensburg, New York, and graduated from the United States Military Academy in 1987 with a Bachelor of Science degree in mathematics and engineering. He then served in Berlin,[5] where he played rugby for the U.S. military team, The Berlin Yanks Rugby Football Club. He served in the military during the Gulf War.[6] He has a daughter, Sherri, born in 1987.

He married Anna Torv, his Fringe co-star, in December 2008.[7] They separated after one year of marriage.[8]


Valley obtained his first role, on The Innocent (1993), while serving in the U.S. Army in Germany.[5] He landed the role of "Father Pete" on Another World in 1993. He later took over the role of Jack Deveraux on the NBC Daytime soap opera Days of Our Lives from 1994–97. In 2003, Valley played Detective Eddie Arlette, an American police officer in London, on the short-lived Keen Eddie.

He played Brad Chase on Boston Legal, a spinoff of the television series The Practice. Valley also appeared on the television series ER as Richard Lockhart, Abby Lockhart's ex-husband. In 2008 he appeared on Fringe, as FBI agent John Scott. Valley played the lead in Fox's drama Human Target.[9]

In 2012, Valley joined ABC's Body of Proof as a series regular. He played Det. Tommy Sullivan, Dana Delany's love interest.[10] He also co-starred alongside Delany in her short-lived series Pasadena in 2001.[11]


1993The InnocentTunnel Technician
1997Breast MenFair Haired Resident
1998Some GirlPolice Officer
1998The SiegeFBI Agent Mike Johanssen
2000The Next Best ThingCardiologist
2001Big TimeChazz
2007Shrek the ThirdCyclopsVoice
2012Zero Dark ThirtyC-130 Pilot
2013Batman: The Dark Knight ReturnsClark Kent/SupermanVoice
2017Live by NightFilming
2017FerdinandDuque DodoVoice
2017SaltyBen Harding
1993Another WorldFather Pete
1994Vanishing Son IVAdams
1994–1997Days of Our LivesJack Deveraux #437 episodes
1997George WallaceBobby Kennedy
1999BrimstoneBarry Ceneazo
2000Diagnosis: MurderCaptain Paul Davis
2000Running MatesDick Tracy
2000–2001Once and AgainWill Gluck5 episodes
2000–2003ERRichard Lockhart5 episodes
2001CSI: Crime Scene InvestigationJack Willman
2001The Lone GunmenHenry Farst
2001Gideon's CrossingMark Epperson
2001–2002PasadenaRobert GreeleySeries regular, 13 episodes
2002Spin CityJoseph1 episode
2003–2004Keen EddieDetective Eddie ArletteSeries regular, 13 episodes
2004Harry Green and EugeneHarry Green
2004The 4400Warren Lytell2 episodes
2004I'm with HerJack Campbell
2004–2007Boston LegalBrad ChaseSeries regular, 70 episodes
2006–2008Emily's Reasons Why NotReese Callahan2 episodes
2007Business ClassMatt
2007Law & Order: Special Victims UnitJake Keegan1 episode
2008SwingtownBrad Davis3 episodes
2008–2009FringeJohn ScottSeries regular, 12 episodes
2010–2011Human TargetChristopher ChanceSeries regular, 25 episodes
2011–2012Harry's LawOliver RichardSeries regular, 22 episodes
2013Body of ProofTommy SullivanSeries regular, 13 episodes
2013SOKO Stuttgart (German TV series)John McDuff1 episode
2014CrisisCIA Director Widener8 episodes
2014–2015CSI: Crime Scene InvestigationPrivate Investigator Daniel Shaw8 episodes
2015Lost BoyCraig Harris
2017Feud: Bette and JoanGary Merrill1 episode
2017BloodlineMike Gallagher1 episode

Awards and nominations

Boston Legal Role
Keen Eddie Role
Human Target Role

Radio and Podcast Appearances

  • Valley appeared on Ken Reid's TV Guidance Counselor podcast on September 14, 2016.